Adapter



FIG. 1 is a front perspective view of an adapter showing the claimed design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof, the bottom view being a mirror image thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front view thereof.

The shade lines in the Figures show contour and not surface ornamentation. 

CLAIM The ornamental design for an adapter, as shown and described. 